Computer display screen or portion thereof with animated graphical user interface



FIG. 1 is a front view of a computer display screen or portion thereof with animated graphical user interface showing the first image of the claimed design;

FIG. 2 is the second image thereof; and,

FIG. 3 is the third image thereof.

The appearance of the transitional image sequentially transitions between the images shown in FIGS. 1-3. The process or period in which one image transitions to another image forms no part of the claimed design.

The longer-incremented broken-line showing of a portion of a computer and the shorter-incremented broken line showing of a display screen of the computer, as well as the features within the interface, are included for the purpose of illustrating environmental structure and form no part of the claimed design. 

CLAIM The ornamental design for a computer display screen or portion thereof with animated graphical user interface, as shown and described. 